Handle for a mug or cup



FIG. 1 is a top, front and right side perspective view of a handle for a mug or cup showing my new design, the broken lines showing a mug is for illustrative purposes only and forms no part of the claimed design.

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a left side view; and,

FIG. 6 is a front elevational view thereof, the back being a mirror image of the front. 

The ornamental design for handle for a mug or cup, as shown and described. 